与视网膜退行性疾病相关的内质网膜应激中的未折叠蛋白质反应:一个有前途的治疗点
Hongbing Zhang1,2, Yalin Mu3, Hongsong Li1,2
1Department of Ophthalmology, Xi'an No. 1 Hospital, First Affiliated Hospital of Northwest University, Xi'an, Shaanxi Province, China.
展开的蛋白质响应 (UPR) 途径有助于细胞管理内质网膜应激,这对于预防视网膜退行性疾病中的细胞死亡至关重要. 然而,UPR失败可能会使这些情况恶化,需要针对性治疗,尽管目前的挑战.
科学领域:
- 细胞生物学 细胞生物学
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
背景情况:
- 展开的蛋白质反应 (UPR) 是维护蛋白质稳定和防止细胞死亡的关键细胞途径.
- UPR的调节失调和内质网膜 (ER) 压力与各种恶性瘤和视网膜退行性疾病有关.
- 错误折叠的蛋白质的积累压倒了细胞机械,导致蛋白质组不稳定和细胞死亡.
研究的目的:
- 审查UPR在解决视网膜退行性疾病中ER压力的作用.
- 探索针对视网膜病理的ER压力的当前和潜在的治疗策略.
- 确定有效治疗的挑战和未来研究方向.
主要方法:
- 对UPR,ER压力和视网膜退行性疾病的现有文献的审查.
- 分析治疗策略,包括化学伴侣,小分子调节器和蛋白质分解增强.
- 检查临床翻译和治疗耐药性的挑战.
主要成果:
- 针对ER压力提供了多种治疗途径,包括化学伴侣物 (例如,4 - 酸,tauroursodeoxycholic酸) 和ER压力传感器的调节器 (例如,X-box结合蛋白1),需要异醇的跨膜激酶/内核核酶1).
- 其他策略包括激活核受体 (PPAR,FXR),增强自,抑制二化酶和组合疗法.
- 仍然存在重大挑战,包括现有药物的不良副作用和下游信号通路介导的治疗耐药性.
结论:
- UPR是视网膜退行性疾病的有前途的治疗标,但目前的策略面临局限性.
- 进一步的研究对于阐明疾病机制和开发有效,耐受性良好的药物至关重要.
- 克服诸如副作用和治疗耐药性等挑战对于临床转化和改善患者结果至关重要.
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